Alert archive / Pennsylvania / Tornado Warnings in 2000
Tornado Warning 17, NWS State College, PA
NWS State College, PA issued this tornado warning at Jul 21, 2000, 2:55 PM EDT for Columbia County, Pennsylvania. It was in force for 35 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 21, 2000, 2:55 PM EDT (18:55 UTC)
- Expired
- Jul 21, 2000, 3:30 PM EDT
- In force
- 35 min
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Columbia County, PA
The radar
The Binghamton radar (KBGM), 133 km from the middle of the area, began a volume at 18:57 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 21, 3:15 PM EDT | Hail 1.25 | Millville, PA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 6.9 hours before the alert went out and 177 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1735 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
749 WFUS51 KCTP 211855 TORCTP PAC037-211930- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 255 PM EDT FRI JUL 21 2000 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * TORNADO WARNING FOR... COLUMBIA COUNTY. * UNTIL 330 PM EDT. * AT 251 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A POSSIBLE TORNADO 7 MILES WEST OF MILLVILLE...OR 13 MILES NORTH OF DANVILLE...MOVING EAST AT 20 MPH. * THE TORNADO WILL BE NEAR... MILLVILLE AT 305 PM. FOR YOUR PROTECTION...GO TO A BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS NOW $$ LAT...LON 4120 7670 4108 7668 4112 7638 4123 7642
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 2:47 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour | 58 min |
| Jul 21, 5:21 PM EDT | Tornado Warning | CTP | Columbia | 24 min |
| Jul 21, 5:44 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 16 min |
Nearby
Tornado Warnings in Pennsylvania, 2000Every tornado warning in 2000Tornadoes in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.